Translation updates: (closes #915, #927, #929, #923, #914, #919)

* Japanese (Satoru Kurashiki)
* Simplified Chinese (chaoqun zou)
* Danish (kim madsen)
* Norwegian (Kai Olav Fredriksen)
* Traditional Chinese (shortie lo)
* German (Sven Schuchmann)

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1300 e93f8b46-1217-0410-a6f0-8f06a7374b81